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Shahu-123/README.md

Shahu Wagh

Computer Science undergraduate at the National University of Singapore (from August 2026). I build tools that real people rely on, and I have spent the last two years shipping them to firefighters, students and other users.

shahuwagh.com · linkedin.com/in/shahuwagh · shahu.wagh@gmail.com

Shipped to real users

Project What it is Stack
YearnOut Turnout-alert app that rings firefighters' phones like an incoming call through silent mode. 150+ users across two fire stations, on the App Store, passed an HTX security review. Source is private; the link is an architecture overview. Swift, SwiftUI, PushKit, CallKit, Kotlin, Compose, FastAPI, PostgreSQL, Fly.io
Paper Generator papergeneratorapp.com: custom IGCSE Mathematics exam papers by topic and marks. 14,000+ papers for 1,500+ students. Python, AWS Lambda, S3, DynamoDB, JavaScript
Firefighter Leave Planner Telegram LLM agent with Google Sheets tools, then a spreadsheet engine in VBA and Apps Script. 41 firefighters, 400+ requests, zero double-bookings. n8n, OpenAI, Google Sheets, Python, VBA, Apps Script
Receipt Claim Generator Receipt photos to a completed finance claim form. Saved about six hours a week per officer. Node.js, AWS Textract, Bedrock, OpenAI, docxtemplater
Firefighter Food Ordering Real-time group meal orders and PayNow payment tracking for a fire station. React, Express, MongoDB, Socket.io
Bilingual RAG Chatbot English and Chinese documentation chatbot built during a 2023 data science internship, used by the company's alpha testers with a feedback loop on every answer. Python, OpenAI, SQLite, AWS Lambda, Amplify

Computer vision and 3D

Project What it is Stack
3D Rendering Incident Scene iPhone LiDAR capture app and cloud GPU pipeline reconstructing buildings as 3D Gaussian Splats, with depth-supervised training and a live streaming trainer, viewed over Google Photorealistic 3D Tiles. Swift, ARKit, PyTorch, gsplat, nerfstudio, three.js

AI and agents

Project What it is Stack
SoCLaaS Playground Streaming chat, live transcription and an interruptible voice assistant with local TTS, on top of NUS's LLM API. FastAPI, vanilla JS, WebAudio, Kokoro
Conversational Fine-tuning with PEFT LoRA fine-tuning of a 1B dialogue model on Instagram message history so it replies in a friend's voice, with semantic conversation segmentation and a persona-conditioned chat loop. Write-up on AI Mind. PyTorch, Transformers, PEFT, sentence-transformers
Atlas An interactive concept for an agent-first operating system: trust ledger, memory with provenance, rewind. Live demo. HTML, CSS, JavaScript
Renewal Rescue Churn-prevention orchestrator from the NAISC x Workato hackathon: one Slack command fans out to OpenAI, Salesforce, Jira and Slack. Workato, Next.js, TypeScript

Research

Project What it is Stack
LSTM Optimization Algorithm Research IB Extended Essay (Grade A): SGD vs Adam vs RMSProp for bidirectional LSTM sentiment analysis on 1.6M-tweet Sentiment140 and a three-class dataset, compared on F1 and epochs to convergence. TensorFlow, Keras, scikit-learn

Apple Swift Student Challenge

Project What it is
CookMate (2026) Kitchen fire prevention: walk-away detection with Core Motion, escalating haptics, and step-by-step emergency guides written from firefighting practice.
CarbonZER0 (2024) Carbon footprint calculator that grows a 3D forest as your footprint drops.

Background

  • Firefighter, Singapore Civil Defence Force, national service, 2024 to 2026.
  • IB Diploma 44/45. Cambridge IGCSE world topper in Mathematics (200/200).
  • Languages: Python, Swift, Kotlin, JavaScript, C/C++, SQL. Spoken: English, Hindi, Marathi, Mandarin.

Pinned Loading

  1. 3D-Rendering-Incident-Scene 3D-Rendering-Incident-Scene Public

    iPhone LiDAR capture app + cloud GPU pipeline reconstructing buildings as 3D Gaussian Splats, viewed over Google Photorealistic 3D Tiles

    Python

  2. yearnout yearnout Public

    Turnout-alert system for firefighters: rings phones like an incoming call through silent mode. iOS + Android + FastAPI. Architecture overview; source is private.

  3. conversational-finetuning-peft conversational-finetuning-peft Public

    LoRA fine-tuning of BlenderBot-1B on Instagram message history so it replies in a friend's voice: semantic conversation segmentation, PEFT, persona-conditioned chat loop

    Jupyter Notebook

  4. LSTM-Optimization-Algorithm-Research LSTM-Optimization-Algorithm-Research Public

    IB Extended Essay (Grade A): how SGD, Adam and RMSProp affect the accuracy and convergence of a bidirectional LSTM for tweet sentiment analysis

    Jupyter Notebook

  5. bilingual-rag-chatbot bilingual-rag-chatbot Public

    English and Chinese documentation chatbot: OpenAI embeddings in SQLite, cosine retrieval with thresholds, grounded GPT answers, desktop and AWS Amplify front-ends

    HTML

  6. PaperGenerator PaperGenerator Public

    IGCSE Mathematics exam paper generator: real past-paper questions assembled to exact mark totals by topic. 14,000+ papers generated for 1,500+ students.

    HTML 2